APA (7e ed.) Bronvermelding

Não informado. (1906). Public Health. Department of Health.

Chicago (17e ed.) Bronvermelding

Não informado. Public Health. Lansing, Mich: Department of Health, 1906.

MLA (8e ed.) Bronvermelding

Não informado. Public Health. Department of Health, 1906.

Let op: Deze citaties zijn niet altijd 100% accuraat.